腿筋肌肉结构和形态 经过6周的古怪偏见的罗马尼亚死或北欧腿筋炼干预后的肌肉结构和形态
Scott K Crawford, Caleb Sandberg1, Jessica Vlisides1
1Department of Kinesiology, University of Wisconsin-Madison, Madison, WI.
Medicine and science in sports and exercise
|March 14, 2025
概括
罗马尼亚死 (RDL) 和北欧腿筋运动 (NHE) 都类似地增强了腿筋肌肉结构,增加了带的长度和横截面积. 这些调整在两个练习之间是一致的,为腿筋损伤预防计划提供了灵活性.
科学领域:
- 运动生理学 运动生理学
- 体育科学 运动科学 运动科学
- 肌肉生物学 肌肉生物学
背景情况:
- 腿筋受伤在运动员中很常见,通常与肌肉结构有关.
- 异常偏见的炼被假设能诱导有益的肌肉适应.
- 罗马尼亚式死 (RDL) 和北欧式腿筋运动 (NHE) 是腿筋训练的热门选择.
研究的目的:
- 为了比较6周异常偏差RDL与NHE干预对腿筋肌肉结构和形态的影响.
- 为了研究双腿骨长头 (BFlh) 带长度 (FL),角 (PA) 和肌肉厚度 (MT) 的区域变化.
- 评估腿筋肌肉的解剖横截面区域 (ACSA) 的变化.
主要方法:
- 32名健康参与者被随机分配到RDL或NHE组,每周两次训练6周.
- 扩展视野超声波用于测量BFlh FL,PA和MT在近距离,中距离和远距离大腿区域.
- 超声波还评估了BFlh,半膜体和半体的ACSA.
- 线性混合效应模型分析了数据,包括一个为期2周的训练期.
主要成果:
- 在所有地区,BFlh带长度 (FL) 显著增加 (9%),角 (PA) 减少 (10%),肌肉厚度 (MT) 没有变化.
- 腿筋解剖截面面积 (ACSA) 在干预后增加了10%,并且在解除训练后仍然升高.
- 在RDL和NHE组之间没有观察到FL,PA,MT或ACSA变化的显著差异.
结论:
- 异常偏差的RDL和NHE干预导致腿筋肌肉结构 (FL,PA,ACSA) 的相似适应.
- 这些发现表明,对于旨在改善腿筋适应与预防伤害相关的从业者来说,运动选择灵活性.
- 观察到的肌肉结构变化在FL和PA中是暂时的,但在ACSA中在停止训练后是持久的.
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